Originally Posted by
Trent Fliginger
Spent most of the day re-plumbing the venturi. I made the copper one go straight into the water heater. Didn’t make a difference as far as vacuum, but at least it didn’t blow. Anyway then made the version with the ¾ inch black iron pipe as an educator. nozzle is 1/2 to 3/8 compression fitting. Still no vacuum. All the elbows are before the venturi now. there is a 10" straight pipe going from the venturi into the water heater.
Send me a picture.............If you click on my username it will lead you to my reg email address. I need to see what you have built. I'll be gone most of today on a job, but look at it when I get back.